Warmth • Cooking • Hot Water

Oil – Technical Specification

Oil – Technical Specification

Overview
Boiler Model Boiler Heat Output (kW) Boiler Heat Output (Max. BTU/h(‘000)) Efficiency %
CR26 26 88,775 93.7
CR35 35 119,504 93
Connections
Boiler Model Heating Flow Heating Return Drain Off Valve Condensate Trap
CR26 1″BSP 1″BSP 1/2″BSP 10mm braided plastic pipe
CR35 1″BSP 1″BSP 1/2″BSP 10mm braided plastic pipe
Water Content
Boiler Model Boiler (mm)
CR26 24
CR35 24
Flue
Boiler Model Balanced Flue Assembly (mm)
CR26 125 (5″)
CR35 125 (5″)
Temperature Control
Boiler Central Heating Control 60°C-80°C
Boiler Safety Limit 110°C + -3°C
Oven Safety Limit265°C + -3°C
Oven Temperature Control 100-250°C
Heating System
Fit in accordance with BS 7074 Part 1, BS 5449, OFTEC Standards and all other relevant legislation.Boiler Test Pressure – 4.5 bar
Safety Valve Operating Pressure – 3 bar
Water Side Resistance
Boiler Model Flow Rate for Nominal Output (10k) Flow Rate for Nominal Output (20k) Water Resistance (mbar) Water Resistance (Pa)
CR26 2232 1121 207
52
20700
5200
CR35 3010 1518 375
37500
98
9800
Pressure Jet Oil Burners
Oven: RDB1Boiler: RDB 2.2
Fuel
C2 Kerosene
Electrical Supply
230V AC 50Hz to be fused at 5A
Weight
Boiler Model Empty (kg) Full (kg)
CR26 600 624
CR35 600 624
Burner Information
Burner (Model) Fuel Rate (kg/h) Total Heat Input (kW) Exit Flue Gas Temperature (°C) Exit Flue Gas Mass Flow (kg/s)
Oven Burner 0.9792 11.707 158 0.00716
Boiler Burner (C26) 2.244 26.897 76 0.010
Boiler Burner (C35) 2.988 36.087 81.3 0.013
Boiler and Oven Burner
Type Exit Flue Gas Mass Flow (kg/s)
Boiler 0.014
Oven 0.017
Emissions Boiler
Boiler Model CO (mg/kWh) Nox (mg/kWh)
CR26 6 93
CR35 4 130
Emissions Oven
CO (mg/kWh) Nox (mg/kWh)
0 97
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